document.write( "Question 449380: I need help with this question please:\r
\n" ); document.write( "\n" ); document.write( "Solve the system of equations \r
\n" ); document.write( "\n" ); document.write( "x + y = 5
\n" ); document.write( "x - y = -9
\n" ); document.write( "

Algebra.Com's Answer #309126 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
x + y = 5
\n" ); document.write( "x - y = -9
\n" ); document.write( "solve using the \"addition\" method:
\n" ); document.write( "x + y = 5
\n" ); document.write( "x - y = -9
\n" ); document.write( "--------------
\n" ); document.write( "2x +0y = -4
\n" ); document.write( "2x = -4
\n" ); document.write( "x = -2
\n" ); document.write( ".
\n" ); document.write( "substitute above into equation 1:
\n" ); document.write( "x + y = 5
\n" ); document.write( "-2 + y = 5
\n" ); document.write( "y = 7
\n" ); document.write( ".
\n" ); document.write( "solution:
\n" ); document.write( "x = -2
\n" ); document.write( "y = 7
\n" ); document.write( "
\n" );